编号为1，2，3，。。。，n的n个人围坐在一圆桌旁，每人持有一个正整数密码。从第一个人开始报数，报到一个预先约定的正整数m 时，停止报数，报m 的人退席，下一个人重新从1开始报数，依此重复，直至所有的人都退席。-Numbered 1,2,3,. . . , N of n individuals sitting at a round table, each holding a positive integer code. The number of individuals starting from the first report, to report a pre-agreed a positive integer m, to stop reporting the number of people who reported m withdraw, the next person to re-start from a number of reports, and so repeat until all of them withdrew.